178067968

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:925

約数の個数: 80

約数和(自身を含む): 395974656

約数和(自身を除く): 217906688

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 863, 992, 1612, 1664, 1726, 1984, 3224, 3328, 3452, 3968, 6448, 6656, 6904, 7936, 11219, 12896, 13808, 15872, 22438, 25792, 26753, 27616, 44876, 51584, 53506, 55232, 89752, 103168, 107012, 110464, 179504, 206336, 214024, 220928, 347789, 359008, 428048, 441856, 695578, 718016, 856096, 1391156, 1436032, 1712192, 2782312, 2872064, 3424384, 5564624, 5744128, 6848768, 11129248, 13697536, 22258496, 44516992, 89033984, 178067968]

約数ペア:

[(1, 178067968), (2, 89033984), (4, 44516992), (8, 22258496), (13, 13697536), (16, 11129248), (26, 6848768), (31, 5744128), (32, 5564624), (52, 3424384), (62, 2872064), (64, 2782312), (104, 1712192), (124, 1436032), (128, 1391156), (208, 856096), (248, 718016), (256, 695578), (403, 441856), (416, 428048), (496, 359008), (512, 347789), (806, 220928), (832, 214024), (863, 206336), (992, 179504), (1612, 110464), (1664, 107012), (1726, 103168), (1984, 89752), (3224, 55232), (3328, 53506), (3452, 51584), (3968, 44876), (6448, 27616), (6656, 26753), (6904, 25792), (7936, 22438), (11219, 15872), (12896, 13808)]